Exploring Ecosystems and Water Purification

What are the two ways you can engage with the article content?

• Listening and discussing

• Watching and discussing

• Reading and listening

• Listening and writing

What is biodiversity?

• Variety of species in an ecosystem

• Variety of ecosystems

• Number of ecosystems

• Health of an ecosystem

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Why is biodiversity important for an ecosystem?

• It reduces the ecosystem's strength

• It increases water absorption

• It enhances ecosystem resilience

• It decreases nutrient movement

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How do wetlands filter water?

• By increasing water flow

• By freezing the water

• By acting like a strainer

• By heating the water

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What role do bacteria play in wetlands?

• They consume all the nutrients

• They transform harmful substances

• They increase water flow

• They pollute the water

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How much water can one oyster filter in a day?

• 47 gallons

• 47 liters

• 180 liters

• 180 gallons

What benefit does clear water provide to plants in the ocean?

• Less sunlight for photosynthesis

• Colder temperatures

• More nutrients

• More sunlight for photosynthesis

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How do forests contribute to water filtration?

• By decreasing bacteria

• By increasing soil erosion

• By keeping soil in place

• By blocking sunlight

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What happens to water as it passes through forest soil?

• It becomes contaminated

• It evaporates

• It is cleaned by bacteria

• It turns into groundwater

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Why is it crucial for humans to maintain healthy ecosystems?

• To decrease water availability

• To ensure ecosystems provide necessary services

• To reduce biodiversity

• To increase pollution

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